| Author | 6 Posts |
nadiabarati
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A four-year-old white female presents to the pediatric clinic for follow-up due to developmental delay. Her medical history reports frequent episodes of otitis media, bronchitis, and pneumonia. Physical examination reveals coarse facial features, gingival hypertrophy, joint stiffness, claw hand deformity, and generalized hypotonia. Significant motor delay is appreciated. Electron microscopy of muscle biopsy demonstrates numerous intracytoplasmic inclusions, which are membrane-bound vacuoles filled with fibrillogranular material. I-cell disease is suspected. What is the function of the deficient enzyme?
A. Breakdown of dermatan sulfate and heparan sulfate
B. Cleavage of disaccharides
C. Cleavage of fructose
D. Degradation of sphingolipids
E. Metabolism of galactose
F. Phosphorylation of mannose residues
D?
there are accumulation of mucolipids, mucopolysaccarides, glycolipids, sphingolipids...
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| mjl1717
Forum Hero
Topics: 955
Posts: 5,451
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answer-f---to bring product to the lysosome instead of cytoplasm
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Smell the coffee! "Is That an Osler move??"
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| robin082006
Forum Hero
Topics: 471
Posts: 5,125
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F for sure
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The Key to Succeed is Patience.
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| Cedrick
Forum Fanatic
Topics: 320
Posts: 1,928
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Sialidosis
found it on e-medicine,and let me tell I am
 Choice E
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| Cedrick
Forum Fanatic
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Posts: 1,928
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Choice F
sorry it is late
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| leen
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Posts: 294
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F...
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